#333178#333178

#333178 is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.8% C 0.118 H 279.9°. Best body text is #FFFFFF at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#333178
RGB	rgb(51, 49, 120)
HSL	hsl(242, 42%, 33%)
HSV	hsv(242, 59%, 47%)
CMYK	cmyk(57.5%, 59.2%, 0%, 52.9%)
CIE-LAB	lab(24.50, 22.87, -40.50)
CIE-LCH	lch(24.50, 46.51, 299.45°)
OKLab	oklab(35.84% 0.0203 -0.116)
OKLCH	oklch(35.84% 0.118 279.9)
XYZ	xyz(5.8527, 4.2561, 18.2788)
Luminance	0.0426 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333178 #767831

analogous

#315278 #333178 #563178

triadic

#333178 #783331 #317833

tetradic

#333178 #783152 #767831 #317856

square

#333178 #783152 #767831 #317856

split-complementary

#333178 #785631 #527831

monochromatic

#0E0E21 #211F4D #333178 #4543A3 #6664C0

Accessibility & contrast

On white

11.34

#333178 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#333178 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333178

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333178	#FFFFFF	#000000	##FFFFFF
##333178	1.00	11.34	1.85	11.34
#FFFFFF	11.34	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D7A

Deuteranopia (green-blind)

#003777

Tritanopia (blue-blind)

#11424F

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #333178;
/* rgb */ color: rgb(51, 49, 120);
/* oklch */ color: oklch(35.8% 0.118 279.9);

Tailwind

colors: {
  custom: {
    50: '#71699f',
    500: '#333178',
    950: '#000000',
  },
}

SCSS

$custom: #333178;
$custom-light: #71699f;
$custom-dark: #000000;

JSON

{
  "hex": "#333178",
  "rgb": {
    "r": 51,
    "g": 49,
    "b": 120
  },
  "hsl": {
    "h": 241.69,
    "s": 42.012,
    "l": 33.137
  },
  "oklch": {
    "l": 0.35839,
    "c": 0.11781,
    "h": 279.9
  },
  "luminance": 0.04256
}

Semantic roles & 50–950 ramp

primary

#333178

secondary

#A5A75E

accent

#D256CE

background

#F7F6F9

surface

#EDEBF2

border

#C8C6CC

text

#08060F

muted

#7B7A7E

Preview Lab

Preview with #333178

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →